无水乳清酸, Orotic acid

N,O-双(三甲基硅烷基)三氟乙酰胺, 2-Oxa-6-azaspiro[3.3]heptane oxalate

exo-7-氧杂二环[2.2.1]庚基-5-烯-2,3-二羧酸酐, exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride

草酸二水合物, Oxalic acid dihydrate

1,4-氧代氮杂烷-5-酮, 1,4-Oxazepan-5-one

3-氧杂环丁, 3-Oxetanol

2-氧环己烷丙腈, 2-Oxocyclohexanepropionitrile

4-羰基-四甲基哌啶氧自由基, 4-Oxo-TEMPO

钯,1%负载于活性炭粉末, Palladium,1% on activated carbon powder

钯,5% 负载于硫酸钡粉末, Palladium,5% on barium sulfate powder